diff options
Diffstat (limited to 'src/sql')
-rw-r--r-- | src/sql/kernel/qsqlquery.cpp | 18 | ||||
-rw-r--r-- | src/sql/kernel/qsqlquery.h | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/src/sql/kernel/qsqlquery.cpp b/src/sql/kernel/qsqlquery.cpp index e5f4c5fc56..e040257c62 100644 --- a/src/sql/kernel/qsqlquery.cpp +++ b/src/sql/kernel/qsqlquery.cpp @@ -326,6 +326,24 @@ bool QSqlQuery::isNull(int field) const } /*! + \overload + + Returns true if there is no field with this \a name; otherwise + returns isNull(int index) for the corresponding field index. + + This overload is less efficient than \l{QSqlQuery::}{isNull()} +*/ + +bool QSqlQuery::isNull(const QString &name) const +{ + int index = d->sqlResult->record().indexOf(name); + if (index > -1) + return isNull(index); + qWarning("QSqlQuery::isNull: unknown field name '%s'", qPrintable(name)); + return true; +} + +/*! Executes the SQL in \a query. Returns \c true and sets the query state to \l{isActive()}{active} if the query was successful; otherwise diff --git a/src/sql/kernel/qsqlquery.h b/src/sql/kernel/qsqlquery.h index 3719643174..ef48b91298 100644 --- a/src/sql/kernel/qsqlquery.h +++ b/src/sql/kernel/qsqlquery.h @@ -70,6 +70,7 @@ public: bool isValid() const; bool isActive() const; bool isNull(int field) const; + bool isNull(const QString &name) const; int at() const; QString lastQuery() const; int numRowsAffected() const; |